======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '178'
                                          'artist'  'Swinging Soul Machine'
                                     'text_people'  ''
                                         'release'  "Funkin' on the 1"
                                           'title'  "Spooky's Day Off"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['the netherlands', 'soul', 'instrumental']"
                                     'discogstags'  "['funk / soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '18'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '118'
                                             'key'  '8B'
                                        'acoustid'  '8c031036-75d3-47f8-a289-d73553959b9b'
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PCNT' (Play counter)                               PCNT(count=0)
'POPM:traktor@native-instruments.de'                POPM(email='traktor@native-instruments.de', rating=0, count=0)
'TALB' (Album/Movie/Show title)                     "Funkin' on the 1"
'TBPM' (BPM (beats per minute))                     '118'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         "Spooky's Day Off"
'TKEY' (Initial key)                                '8B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Swinging Soul Machine'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '5/5'
'TPUB' (Publisher)                                  'Disky'
'TRCK' (Track number/Position in set)               '13/18'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Swinging Soul Machine'
'TXXX:ASIN'                                         'B000050GHJ'
'TXXX:Acoustid Id'                                  '8c031036-75d3-47f8-a289-d73553959b9b'
'TXXX:Artists'                                      'Swinging Soul Machine'
'TXXX:BARCODE'                                      '0724389921922'
'TXXX:CATALOGNUMBER'                                'BX 992202/BX 992212/BX 992222/BX 992232/BX 992242/DB 992192'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '27c3ac59-591e-33a1-a9ce-ebaac4975a1a'
'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'a0733a62-7824-4df0-9b50-b15b70305863'
'TXXX:MusicBrainz Release Group Id'                 '7a829bcd-2492-3b5e-a191-e8fab8dfb5bf'
'TXXX:MusicBrainz Release Track Id'                 'ef7930b2-3b50-3786-a69c-979b68440cf0'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'funk / soul'
'TXXX:fBPM'                                         '0.000000'
'TXXX:fBPMQuality'                                  '0.000000'
'TXXX:lastfmtags'                                   ['the netherlands', 'soul', 'instrumental']
'TXXX:mood'                                         'Party/Not sad/Not acoustic/Electronic/Not relaxed/Happy/Not aggressive'
'TXXX:originalyear'                                 '2000'
'TXXX:other'                                        '69'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.79 dB'
'TXXX:replaygain_track_peak'                        '0.444644'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'6918bd13-0518-4ee5-9cd4-7d20b344ef03')

========================== row from database ==========================
                                              'id'  1525253
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/funkin_ on the one/85 Swinging Soul Machine - 69 Spookey_s day off.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  178
                                           'genre'  funk or soul
                                        'filesize'  2939812
                                           'mtime'  1628357688
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul funkin_ one 85 69 Spookey_s day off funk or soul
                                      'tag_artist'  Swinging Soul Machine
                                     'tag_release'  Funkin' on the 1
                                       'tag_title'  Spooky's Day Off
                                             'bpm'  118.0
                                    'search_title'  'day':4 'off':5 's':2 'spooky':1 'spookys':3
                                   'search_artist'  'machine':3 'soul':2 'swinging':1
                                  'search_release'  '1':5 'funkin':1,2 'on':3 'the':4
                                     'search_rest'  '69':7 '85':6 'day':10 'funk':2 'funkin':4 'off':11 'one':5 'or':12 's':9 'soul':3 'spookey':8 'swing':1
                                    'search_combo'  '1':13C '69':20 '85':19 'day':4A,23 'funk':15 'funkin':9C,10C,17 'machine':8B 'off':5A,24 'on':11C 'one':18 'or':25 's':2A,22 'soul':7B,16 'spookey':21 'spooky':1A 'spookys':3A 'swing':14 'swinging':6B 'the':12C
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['the netherlands', 'soul', 'instrumental']
                                        'tag_date'  2000
                                     'discogstags'  ['funk / soul']

============================== file details ==============================
                                           'mtime'  1628357688.2102928  (2021-08-07 19:34:48)
                             'size'  2939812